html {
    box-sizing: border-box;
    -webkit-text-size-adjust: 100%;
    word-break: normal;
    -moz-tab-size: 4;
    -o-tab-size: 4;
    tab-size: 4
}

::before,
::after {
    background-repeat: no-repeat;
    box-sizing: inherit
}

html {
    box-sizing: border-box;
}

* {
    box-sizing: inherit;
}

::before,
::after {
    text-decoration: inherit;
    vertical-align: inherit
}

* {
    padding: 0;
    margin: 0
}

hr {
    overflow: visible;
    height: 0;
    color: inherit
}

details,
main {
    display: block
}

summary {
    display: list-item
}

small {
    font-size: 80%
}

[hidden] {
    display: none
}

abbr[title] {
    border-bottom: none;
    text-decoration: underline;
    -webkit-text-decoration: underline dotted;
    text-decoration: underline dotted
}

a {
    background-color: rgba(0, 0, 0, 0)
}

a:active,
a:hover {
    outline-width: 0
}

code,
kbd,
pre,
samp {
    font-family: monospace, monospace
}

pre {
    font-size: 1em
}

b,
strong {
    font-weight: bolder
}

sub,
sup {
    font-size: 75%;
    line-height: 0;
    position: relative;
    vertical-align: baseline
}

sub {
    bottom: -0.25em
}

sup {
    top: -0.5em
}

table {
    border-color: inherit;
    text-indent: 0
}

iframe {
    border-style: none
}

input {
    border-radius: 0
}

[type=number]::-webkit-inner-spin-button,
[type=number]::-webkit-outer-spin-button {
    height: auto
}

[type=search] {
    -webkit-appearance: textfield;
    outline-offset: -2px
}

[type=search]::-webkit-search-decoration {
    -webkit-appearance: none
}

textarea {
    overflow: auto;
    resize: vertical
}

button,
input,
optgroup,
select,
textarea {
    font: inherit
}

optgroup {
    font-weight: bold
}

button {
    overflow: visible
}

button,
select {
    text-transform: none
}

button,
[type=button],
[type=reset],
[type=submit],
[role=button] {
    cursor: pointer
}

button::-moz-focus-inner,
[type=button]::-moz-focus-inner,
[type=reset]::-moz-focus-inner,
[type=submit]::-moz-focus-inner {
    border-style: none;
    padding: 0
}

button:-moz-focusring,
[type=button]::-moz-focus-inner,
[type=reset]::-moz-focus-inner,
[type=submit]::-moz-focus-inner {
    outline: 1px dotted ButtonText
}

button,
html [type=button],
[type=reset],
[type=submit] {
    -webkit-appearance: button
}

button,
input,
select,
textarea {
    background-color: rgba(0, 0, 0, 0);
    border-style: none
}

a:focus,
button:focus,
input:focus,
select:focus,
textarea:focus {
    outline-width: 0
}

select {
    -moz-appearance: none;
    -webkit-appearance: none
}

select::-ms-expand {
    display: none
}

select::-ms-value {
    color: currentColor
}

legend {
    border: 0;
    color: inherit;
    display: table;
    max-width: 100%;
    white-space: normal;
    max-width: 100%
}

::-webkit-file-upload-button {
    -webkit-appearance: button;
    color: inherit;
    font: inherit
}

[disabled] {
    cursor: default
}

img {
    border-style: none
}

progress {
    vertical-align: baseline
}

[aria-busy=true] {
    cursor: progress
}

[aria-controls] {
    cursor: pointer
}

[aria-disabled=true] {
    cursor: default
}

li {
    list-style: none
}

html {
    font-size: 16px;
    line-height: 1.6
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Yu Gothic", "YuGothic", "游ゴシック体", "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Hiragino Kaku Gothic Pro", メイリオ, Meiryo, "ＭＳ Ｐゴシック", "Arial", sans-serif;
    font-weight: 700;
    color: #000;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

html,
body {
    overflow-x: hidden;
    width: 100%;
    margin: 0;
    padding: 0;
    -webkit-overflow-scrolling: touch;
}

img {
    width: 100%
}

a {
    text-decoration: none;
    color: #fff;
    transition: .4s all
}

a:hover {
    opacity: .7;
}

h1,
h2,
h3,
h4 {
    line-height: 1.5;
}

.pc {
    display: block
}

.sp {
    display: none
}

.tb {
    display: none;
}

@media (max-width: 768px) {
    .pc {
        display: none
    }

    .tb {
        display: block;
    }
}

@media screen and (max-width: 540px) {
    .pc {
        display: none
    }

    .tb {
        display: none;
    }

    .sp {
        display: block
    }
}

br.sp,
br.tb {
    display: none;
}

@media screen and (max-width: 768px) {
    br.tb {
        display: block;
    }
}

@media screen and (max-width: 540px) {
    br.sp {
        display: block;
    }
}

.container {
    max-width: 1100px;
    margin: auto;
}

@media screen and (max-width: 768.8px) {
    .container {
        max-width: auto;
        width: 100%;
        padding: 0 16px;
    }
}

p span.pc {
    display: inline !important;
}

@media screen and (max-width: 540px) {
    p span.pc {
        display: none !important;
    }
}

:root {
    color-scheme: light;
}

body {
    background-color: #ffffff !important;
    color: #000000 !important;
}

.fv {
    position: relative;
    width: 100%;
    background-image: url('../images/fv-bg.jpg');
    background-size: cover;
    background-position: center top;
    background-repeat: no-repeat;
    padding: 40px 4% 140px 6%;
    box-sizing: border-box;
}

.header {
    width: 100%;
    margin-bottom: 110px;
}

.header__logo {
    width: 190px;
    margin-left: -50px;
}

.header__logo img {
    display: block;
    width: 100%;
    height: auto;
}

.fv h1 {
    max-width: 740px;
    margin: 0;
}

.fv img {
    display: block;
    width: 100%;
    height: auto;
}

.fv__title-sp {
    display: none !important;
}

.fv__title-pc {
    display: block;
}

@media screen and (max-width: 540px) {
    .header {
        margin-bottom: 70px;
    }

    .header__logo {
        width: 120px;
        margin: 0 auto 0 0;
        margin-left: 0;
    }

    .fv {
        padding: 30px 24px 110px;
        background-position: center top !important;
    }

    .fv h1 {
        max-width: 320px;
    }

    .fv__title-pc {
        display: none !important;
    }

    .fv__title-sp {
        display: block !important;
    }
}

.message {
    width: 100%;
    background-color: #111111;
    background-image: url('../images/message-bg.png');
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    padding: 100px 20px 120px;
    box-sizing: border-box;
}

.message__inner {
    max-width: 900px;
    margin: 0 auto;
}

.message__title {
    font-size: 40px;
    font-weight: bold;
    color: #ffffff;
    text-align: center;
    margin-bottom: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

.message__title::before,
.message__title::after {
    content: "";
    display: block;
    width: 30px;
    height: 1px;
    background-color: #ffffff;
}

.message__text {
    font-size: 18px;
    font-weight: bold;
    color: #ffffff;
    line-height: 2;
    margin-bottom: 2.5em;
    text-align: left;
}

.message__text:last-child {
    margin-bottom: 0;
}

@media screen and (max-width: 540px) {
    .message {
        padding: 80px 24px 100px;
    }

    .message__title {
        font-size: 28px;
        margin-bottom: 40px;
    }

    .message__text {
        font-size: 16px;
        line-height: 1.8;
        margin-bottom: 2em;
    }
}

/* ==========================================================
   TIMETABLE セクション
   ========================================================== */
.timetable {
    width: 100%;
    padding: 100px 0;
    background-color: #ffffff;
    box-sizing: border-box;
}

.timetable__inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
}

.timetable__section-title {
    font-size: 40px;
    color: #000000;
    text-align: center;
    margin-bottom: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

.timetable__section-title::before,
.timetable__section-title::after {
    content: "";
    display: block;
    width: 30px;
    height: 1px;
    background-color: #000000;
}

.timetable__box {
    width: 100%;
    margin-bottom: 100px;
    box-sizing: border-box;
}

.timetable__header {
    text-align: center;
    margin-top: 40px;
    margin-bottom: -90px;
    position: relative;
    z-index: 2;
}

.timetable__content {
    background-color: #eeeeee;
    padding: 130px 8% 84px;
    position: relative;
    z-index: 1;
}

.timetable__title {
    font-size: 70px;
    font-weight: 800;
    line-height: 1.2;
    color: #2b5cb3;
}

.timetable__time {
    display: inline-block;
    padding: 0px 58px;
    font-size: 30px;
    font-weight: 800;
    color: #ffffff;
    margin-top: 8px;
    background-color: #2b5cb3;
}

/* ==========================================================
  Special Session専用セクション
   ========================================================== */
.special-session {
    width: 100%;
    margin-bottom: 100px;
    box-sizing: border-box;
    background-color: #111111;
    color: #ffffff;
    padding: 60px 8% 60px;
}

.special-session__header {
    text-align: center;
    margin-bottom: 40px;
}

.special-session__title {
    font-size: 70px;
    font-weight: 800;
    line-height: 1.2;
    color: #ffffff;
}

.special-session__time {
    display: inline-block;
    padding: 0px 58px;
    font-size: 30px;
    font-weight: 800;
    color: #000;
    margin-top: 8px;
    background-color: #fff;
}

.special-session__theme {
    font-size: 20px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 15px;
}

.special-session__heading {
    font-size: 34px;
    font-weight: bold;
    text-align: center;
    line-height: 1.4;
    margin-bottom: 30px;
}

.timetable__sub-heading {
    font-size: 28px;
    display: block;
    margin-top: 5px;
}

/* ==========================================================
   TIMETABLE 内部パーツの共通設定
   ========================================================== */
.timetable__theme {
    font-size: 20px;
    font-weight: 700;
    color: #2b5cb3;
    text-align: center;
    margin-bottom: 15px;
}

.special-session .timetable__theme {
    color: #ffffff;
}

.timetable__heading {
    font-size: 34px;
    font-weight: bold;
    text-align: center;
    line-height: 1.4;
    margin-bottom: 30px;
    color: #333333;
}

.timetable__description {
    font-size: 18px;
    line-height: 1.8;
    font-weight: 500;
    text-align: justify;
    margin-bottom: 60px;
}

.timetable__box--gray .timetable__description {
    color: #333;
}

.timetable__note {
    font-size: 12px;
    display: block;
    margin-top: 15px;
}

.timetable__border {
    border: none;
    height: 1px;
    margin: 40px 0;
}

.timetable__box--gray .timetable__border {
    background-color: #b0b0b0;
}

.special-session .timetable__border {
    background-color: #444444;
}

.timetable__speakers {
    display: flex;
    flex-direction: column;
    gap: 50px;
}

.timetable__speaker {
    display: flex;
    align-items: flex-start;
    gap: 40px;
}

.timetable__speaker-thumb {
    width: 200px;
    flex-shrink: 0;
}

.timetable__speaker-thumb img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 50%;
}

.timetable__speaker-info {
    flex-grow: 1;
}

.timetable__role {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 5px;
}

.timetable__role--speaker {
    color: #2b5cb3;
}

.special-session .timetable__role--speaker {
    color: #ffffff;
}

.timetable__role--moderator {
    color: #2b5cb3;
}

.special-session .timetable__role--moderator {
    color: #aaaaaa;
}

.timetable__speaker-name {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 5px;
}

.timetable__box--gray .timetable__speaker-name {
    color: #333333;
}

.timetable__speaker-title {
    font-size: 18px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 15px;
}

.timetable__box--gray .timetable__speaker-title {
    color: #333333;
}

.timetable__speaker-profile {
    font-size: 15px;
    line-height: 1.7;
    font-weight: 500;
    text-align: justify;
}

.timetable__box--gray .timetable__speaker-profile {
    color: #555555;
}

.timetable__banner {
    margin-top: 85px;
    text-align: center;
}

.timetable__banner-link {
    display: inline-block;
    width: 100%;
    max-width: 850px;
}

.timetable__banner-link img {
    display: block;
    width: 100%;
    height: auto;
    border: 1px solid #444444;
}

.timetable__caution {
    font-size: 13px;
    font-weight: 500;
    color: #555555;
    text-align: right;
    margin: -40px 0 60px;
}

.timetable__party-text {
    font-size: 15px;
    line-height: 1.8;
    font-weight: 500;
    color: #444444;
    margin-bottom: 25px;
    text-align: justify;
}

.timetable__party-text:last-child {
    margin-bottom: 0;
}

.timetable__gallery {
    width: 100%;
    margin-top: 20px;
}

.timetable__gallery img {
    display: block;
    width: 100%;
    height: auto;
}

@media screen and (max-width: 768px) {
    .timetable__content {
        padding: 85px 5% 50px;
    }

    .special-session {
        padding: 50px 5% 50px;
    }

    .timetable__speaker {
        gap: 25px;
    }
}

@media screen and (max-width: 540px) {
    .timetable {
        padding: 60px 0;
    }

    .timetable__inner {
        padding: 0 16px;
    }

    .timetable__section-title {
        font-size: 28px;
        margin-bottom: 40px;
    }

    .timetable__title,
    .special-session__title {
        font-size: 48px;
    }

    .timetable__time,
    .special-session__time {
        padding: 0px 30px;
        font-size: 24px;
    }

    .timetable__content {
        padding: 95px 16px 40px;
    }

    .timetable__header {
        margin-top: 20px;
        margin-bottom: -72px;
    }

    .timetable__theme {
        font-size: 16px;
    }

    .special-session {
        padding: 40px 16px 40px;
        margin-bottom: 60px;
    }

    .special-session__header {
        margin-bottom: 20px;
    }

    .special-session__theme {
        font-size: 16px;
    }

    .special-session__heading {
        font-size: 28px;
        margin-bottom: 20px;
    }

    .timetable__heading {
        font-size: 28px;
        margin-bottom: 20px;
    }

    .timetable__sub-heading {
        font-size: 20px;
    }

    .timetable__description,
    .timetable__party-text {
        font-size: 16px;
        line-height: 1.7;
        margin-bottom: 25px;
    }

    .timetable__speaker {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 15px;
    }

    .timetable__speaker-profile {
        text-align: left;
    }

    .timetable__caution {
        text-align: left;
        margin: -20px 0 40px;
        font-size: 11px;
    }

    .timetable__box {
        margin-bottom: 60px;
    }
}

/* ==========================================================
   OUTLINE セクション
   ========================================================== */
.outline {
    width: 100%;
    padding: 100px 0;
    background-color: #ffffff;
    box-sizing: border-box;
}

.outline__inner {
    max-width: 850px;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
}

.outline__title {
    font-size: 40px;
    color: #000000;
    text-align: center;
    margin-bottom: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

.outline__title::before,
.outline__title::after {
    content: "";
    display: block;
    width: 30px;
    height: 1px;
    background-color: #000000;
}

.outline__list {
    width: 100%;
    border-top: 1px solid #777777;
}

.outline__group {
    display: flex;
    align-items: flex-start;
    padding: 40px 0;
    border-bottom: 1px solid #777777;
}

.outline__term {
    width: 25%;
    font-size: 18px;
    font-weight: 700;
    color: #2b5cb3;
    flex-shrink: 0;
}

dl.outline__list dd.outline__description {
    width: 75%;
    font-size: 18px;
    font-weight: 700;
    color: #333333;
    line-height: 1.8;
}

.outline__note {
    display: block;
    font-size: 16px;
    font-weight: 500;
    color: #555555;
    margin-top: 8px;
}

.outline__description .outline__link {
    color: #333333 !important;
    text-decoration: underline;
    font-weight: 500;
    transition: opacity 0.3s;
}

.outline__description .outline__link:hover {
    opacity: 0.7;
    color: #2b5cb3 !important;
}

.outline__description .outline__access {
    font-size: 15px;
    font-weight: 500;
    color: #333333 !important;
    line-height: 1.8;
    margin-top: 25px;
}

/* 💡【修正】マップの絶対配置の土台となるrelativeを追加 */
.outline__map {
    position: relative;
    width: 100%;
    max-width: 480px;
    padding-top: 30%;
    margin-top: 25px;
}

@media screen and (max-width: 768px) {
    .outline__map {
        padding-top: 56.25%;
    }
}

.outline__map iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100% !important;
    height: 100% !important;
}

@media screen and (max-width: 540px) {
    .outline {
        padding: 60px 0;
    }

    .outline__title {
        font-size: 24px;
        margin-bottom: 40px;
    }

    .outline__inner {
        padding: 0 16px;
    }

    .outline__group {
        flex-direction: column;
        gap: 12px;
        padding: 25px 0;
    }

    .outline__term {
        width: 100%;
        font-size: 16px;
    }

    dl.outline__list dd.outline__description {
        width: 100%;
        font-size: 14px;
        line-height: 1.7;
    }

    .outline__note {
        font-size: 12px;
        margin-top: 6px;
    }

    .outline__map {
        max-width: 100%;
        margin-top: 15px;
    }

    .outline__description .outline__access {
        font-size: 13px;
        line-height: 1.7;
        margin-top: 15px;
    }
}

/* ==========================================================
   FORM セクション
   ========================================================== */
.form {
    width: 100%;
    padding: 100px 0 150px;
    background-image: url('../images/common-bg.jpg');
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    box-sizing: border-box;
}

.form__inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
}

.form__title {
    font-size: 40px;
    color: #ffffff;
    text-align: center;
    font-weight: 700;
    margin-bottom: 50px;
}

.form__box {
    max-width: 700px;
    margin: 0 auto;
    background-color: #ffffff;
    padding: 70px 40px;
    text-align: center;
    box-sizing: border-box;
}

.form__text {
    font-size: 20px;
    font-weight: 700;
    line-height: 1.5;
    margin: 0;
}

@media screen and (max-width: 540px) {
    .form {
        padding: 60px 0 90px;
    }

    .form__inner {
        padding: 0 16px;
    }

    .form__title {
        font-size: 24px;
        margin-bottom: 30px;
    }

    .form__box {
        width: 100%;
        padding: 40px 20px;
    }

    .form__text {
        font-size: 18px;
    }
}

/* ==========================================================
   PRODUCT セクション
   ========================================================== */
.product {
    width: 100%;
    padding: 100px 0 0;
    background-color: #ffffff;
    box-sizing: border-box;
}

.product__inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
}

.product__main-title {
    font-size: 30px;
    font-weight: 700;
    color: #333333;
    text-align: center;
    margin-bottom: 80px;
}

.product__row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 50px;
    margin-bottom: 100px;
}

.product__info {
    width: 50%;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.product__logo {
    margin-bottom: 30px;
}

.product__logo--hubble {
    max-width: 220px;
}

.product__logo--mini {
    max-width: 305px;
}

.product__logo img {
    display: block;
    width: 100%;
    height: auto;
}

.product__text {
    font-size: 16px;
    font-weight: 500;
    color: #333;
    line-height: 1.8;
    text-align: justify;
    margin-bottom: 40px;
}

.product__btn {
    display: inline-block;
    padding: 14px 45px;
    background-color: #4377cc;
    color: #ffffff;
    font-size: 16px;
    font-weight: 700;
}

.product__figure {
    width: 40%;
}

.product__figure img {
    display: block;
    width: 100%;
    height: auto;
}

.product__cfa-section {
    width: 100%;
    background-color: #1a1a1a;
    padding: 100px 0;
}

.product__row--black {
    margin-bottom: 0;
}

.product__cfa-title {
    font-size: 26px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 40px;
    line-height: 1.4;
}

.product__row--black .product__text {
    color: #ffffff;
}

.product__note {
    font-size: 12px;
    color: #aaaaaa;
    display: block;
    margin-top: 10px;
}

@media screen and (max-width: 540px) {
    .product {
        padding: 60px 0 0;
    }

    .product__inner {
        padding: 0 16px;
    }

    .product__main-title {
        font-size: 24px;
        margin-bottom: 40px;
        line-height: 1.5;
    }

    .product__row {
        flex-direction: column;
        gap: 30px;
        margin-bottom: 60px;
    }

    .product__figure {
        width: 100%;
        order: 1;
    }

    .product__info {
        width: 100%;
        order: 2;
        align-items: center;
    }

    .product__logo {
        max-width: 160px;
        margin: 0 auto 20px;
    }

    .product__logo--hubble {
        max-width: 190px;
    }

    .product__logo--mini {
        max-width: 255px;
    }

    .product__text {
        font-size: 16px;
        line-height: 1.7;
        margin-bottom: 25px;
    }

    .product__btn {
        padding: 16px 35px;
        font-size: 16px;
        width: 300px;
        text-align: center;
    }

    .product__cfa-section {
        padding: 60px 0;
    }

    .product__cfa-title {
        font-size: 22px;
        text-align: center;
        margin-bottom: 25px;
    }
}

/* ==========================================================
   footer セクション
   ========================================================== */
.footer {
    width: 100%;
    padding: 100px 0 30px;
    background-image: url('../images/common-bg.jpg');
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    box-sizing: border-box;
}

.footer__inner {
    max-width: 1500px;
    margin: 0 auto;
    padding: 0 50px;
    box-sizing: border-box;
}

.footer__content {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-bottom: 40px;
    margin-bottom: 30px;
}

.footer__logos {
    display: flex;
    align-items: anchor-center;
    justify-content: space-between;
    width: 100%;
}

.footer__logo-main {
    width: 100%;
    max-width: 400px;
}

.footer__logo-sub {
    width: 100%;
    max-width: 200px;
}

.footer__logo-main img,
.footer__logo-sub img {
    display: block;
    width: 100%;
    height: auto;
}

.footer__copyright {
    font-size: 14px;
    color: #fff;
    text-align: center;
    margin: 0;
    font-weight: 500;
}

@media screen and (max-width: 540px) {
    .footer {
        padding: 90px 0 25px;
    }

    .footer__inner {
        padding: 0 16px;
    }

    .footer__content {
        flex-direction: column;
        gap: 35px;
        padding-bottom: 35px;
        margin-bottom: 70px;
    }

    .footer__logos {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
        width: 100%;
    }

    .footer__logo-main {
        margin-bottom: 50px;
    }

    .footer__logo-main img {
        margin: 0;
    }

    .footer__logo-sub {
        max-width: 120px;
    }

    .footer__logo-sub img {
        margin: 0;
    }

    .footer__copyright {
        font-size: 11px;
    }
}