/*
html5doctor.com Reset Stylesheet
v1.6.1
Last Updated: 2010-09-17
Author: Richard Clark - http://richclarkdesign.com
Twitter: @rich_clark
*/
html, body, div, span, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
abbr, address, cite, code,
del, dfn, em, img, ins, kbd, q, samp,
small, strong, sub, sup, var,
b, i,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, figcaption, figure,
footer, header, hgroup, menu, nav, section, summary,
time, mark, audio, video {
  margin: 0;
  padding: 0;
  border: 0;
  outline: 0;
  font-size: 100%;
  vertical-align: baseline;
  background: transparent;
}

html, body { overflow-x: hidden; }

body {
  line-height: 1;
}

article, aside, details, figcaption, figure,
footer, header, hgroup, menu, nav, section {
  display: block;
}

nav ul {
  list-style: none;
}

blockquote, q {
  quotes: none;
}

blockquote:before, blockquote:after,
q:before, q:after {
  content: "";
  content: none;
}

a {
  margin: 0;
  padding: 0;
  font-size: 100%;
  vertical-align: baseline;
  background: transparent;
}

/* change colours to suit your needs */
ins {
  background-color: #ff9;
  color: #000;
  text-decoration: none;
}

/* change colours to suit your needs */
mark {
  background-color: #ff9;
  color: #000;
  font-style: italic;
  font-weight: bold;
}

del {
  text-decoration: line-through;
}

abbr[title], dfn[title] {
  border-bottom: 1px dotted;
  cursor: help;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

/* change border colour to suit your needs */
hr {
  display: block;
  height: 1px;
  border: 0;
  border-top: 1px solid #cccccc;
  margin: 1em 0;
  padding: 0;
}

input, select {
  vertical-align: middle;
}

body {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 18px;
  margin: 0;
  padding: 0;
  background: #fff;
  color: #333;
  text-align: center;
}

.main-container {
  max-width: 700px;
  margin: 0 auto;
  padding: 0 20px;
}

.center-block {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.gray-bg {
  background-color: #dcdcdc;
  width: 100%;
  padding-bottom: 60px;
  margin-bottom: 60px;
  box-sizing: border-box;
}

.highlight {
  background: linear-gradient(transparent 60%, #FFD700 60%);
  display: inline;
  padding: 0 5px;
}

.link {
  margin: 0 4px;
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 5px;
}
.link:hover {
  color: gray;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

.sp-only {
  display: none;
}

.pc-only {
  display: block;
}

header {
  background: #dcdcdc;
  text-align: center;
  padding: 40px 20px;
}
header .header-logo {
  width: 400px;
  margin-bottom: 10px;
}
header h1 {
  margin-bottom: 80px;
}

.subtitle {
  font-size: 22px;
  font-weight: 700;
  white-space: pre-line;
  line-height: 0.9;
}

.section-title {
  display: inline-block;
  background: #403E3F;
  color: #fff;
  font-weight: bold;
  font-size: 24px;
  padding: 16px 240px;
  margin-bottom: 40px;
  transform: translateY(-28px);
}

.para {
  margin-top: 40px;
  line-height: normal;
}

.para-note {
  display: block;
  margin-top: 10px;
  font-size: 16px;
}

.sub-period {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 40px;
}

.intro {
  margin: 60px 0;
}

.timeline {
  margin: 80px 0 160px;
}

.timeline-step {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
  border: 1px solid #403E3F;
  max-width: 320px;
  margin: 30px auto;
  padding: 30px 80px;
  font-weight: bold;
  background: white;
  box-shadow: 2px 2px 0px #aaa;
  text-align: left;
  font-size: 18px;
  line-height: normal;
}
.timeline-step .date {
  white-space: nowrap;
}

.arrow {
  width: 30px;
  margin: 20px auto;
  display: block;
}

.arrow-wrapper {
  display: flex;
  justify-content: center;
  margin: 0 0 90px;
}
.arrow-wrapper .arrow-icon {
  width: 60px;
  height: auto;
}

.apply-step {
  background: white;
  margin: 40px auto;
  padding: 60px;
  width: min(660px, 92%);
  text-align: center;
  position: relative;
}
.apply-step h3 {
  font-size: 22px;
  font-weight: bold;
  margin-bottom: 16px;
  line-height: normal;
}
.apply-step p {
  line-height: 1.6;
  margin: 40px 0 20px;
}
.apply-step .right-img {
  min-width: 150px;
  position: absolute;
  top: 70%;
  right: -30px;
  transform: translateY(-50%);
  width: 120px;
}
.apply-step .left-img {
  min-width: 160px;
  position: absolute;
  top: 70%;
  left: -30px;
  transform: translateY(-50%);
  width: 120px;
}
.apply-step .gray-highlight {
  background: linear-gradient(transparent 60%, #dcdcdc 60%);
  display: inline;
  padding: 0 15px;
}

.short-area {
  margin: 60px auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
 
}
.short-area iframe {
  padding: 10px;
  width: min(300px, 86vw);
  height: calc(min(300px, 86vw) * 16 / 9);
  border-radius: 12px;
}

.deadline {
  text-align: center;
  margin: 40px 0;
  font-weight: bold;
  font-size: 22px;
  color: #403E3F;
  display: inline-block;
  padding: 4px 10px;
}

.judge-head {
  font-size: 18px;
  font-weight: 700;
  margin-top: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.judge-head::before, .judge-head::after {
  content: "";
  width: 100px;
  height: 0.7px;
  background-color: #403E3F;
}
.judge-head::before {
  margin-right: 1rem;
}
.judge-head::after {
  margin-left: 1rem;
}

.judges {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 80px;
  margin-top: 40px;
}
.judges .judge {
  text-align: center;
}
.judges .judge img {
  width: 120px;
  height: auto;
  border: 1px solid #ccc;
  margin-bottom: 10px;
  background-color: #fff;
}
.judges .judge .judge-name {
  font-size: 16px;
  font-weight: 600;
  line-height: normal;
}
.judges .judge .judge-name a {
  color: inherit;
  text-decoration: none;
}
.judges .judge .judge-name a:hover {
  color: gray;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}
.judges .judge .judge-para {
  width: 170px;
  margin-top: 20px;
  font-size: 12px;
  line-height: normal;
}

.prize-list {
  margin-top: 30px;
}
.prize-list .prize {
  text-align: center;
}
.prize-list .prize .prize-box {
  margin: 0 auto;
  margin-top: 30px;
  margin-bottom: 60px;
  width: 450px;
  height: 140px;
  position: relative;
  background: white;
  padding: 20px;
  text-align: center;
  display: flex;
  justify-content: center;
  align-items: center;
}
.prize-list .prize .prize-box::before {
  content: "";
  position: absolute;
  top: 16px;
  left: 16px;
  right: 16px;
  bottom: 16px;
  border: 4px solid #FFD700;
  pointer-events: none;
  z-index: 0;
}
.prize-list .prize .prize-box p {
  font-size: 18px;
  font-weight: 700;
  margin-top: 6px;
  line-height: normal;
}
.prize-list .prize .prize-box .icon {
  position: absolute;
  right: -40px;
  top: 80%;
  transform: translateY(-50%);
  width: 80px;
  height: auto;
}

.notes {
  font-size: 12px;
  text-align: left;
  line-height: 1.8;
  margin: 60px 0;
  padding-top: 30px;
  border-top: 1px solid #ccc;
}
.notes .notes-para {
  white-space: pre-line;
}
.notes a {
  color: inherit;
  text-underline-offset: 2px;
}
.notes a:hover {
  color: gray;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

footer {
  background: #403E3F;
  color: #fff;
  padding: 30px 0;
  font-size: 12px;
  text-align: center;
  line-height: 2;
}
footer a {
  color: inherit;
  text-decoration: none;
}

.button {
  display: inline-block;
  border: 2px solid #403E3F;
  color: #403E3F;
  font-weight: bold;
  padding: 24px 32px;
  margin-top: 20px;
  border-radius: 4px;
  text-decoration: none;
}
.button:hover {
  color: #fff;
  background-color: #403E3F;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

@media screen and (max-width: 768px) {
  .sp-only {
    display: block;
  }
  .pc-only {
    display: none;
  }
  .header-logo {
    max-width: 60%;
  }
  .para {
    margin: 40px auto;
    width: 80%;
  }
  .apply-step {
    width: 70%;
    padding: 40px 20px;
  }
  .apply-step .right-img,
  .apply-step .left-img {
    display: none;
  }
  .section-title,
  .section-title-prize {
    padding: 16px 60px;
    font-size: 20px;
  }
  .timeline-step {
    flex-direction: column;
    padding: 20px;
    gap: 10px;
    font-size: 16px;
    max-width: 70%;
    text-align: center;
  }
  .judges {
    gap: 60px;
  }
  .judges .judge .judge-para {
    margin: 20px auto;
    width: 60%;
    padding: 0 10px;
  }
  .prize-list .prize .prize-box {
    width: 70%;
    height: auto;
    flex-direction: column;
    padding: 20px;
  }
  .prize-list .prize .prize-box .icon {
    position: static;
    transform: none;
    margin-top: 20px;
    width: 60px;
  }
}
@media screen and (max-width: 480px) {
  body {
    font-size: 16px;
  }
  .subtitle {
    font-size: 20px;
  }
  .hero-header .hero-title {
    font-size: 22px;
  }
  .hero-header .hero-prize-copy {
    font-size: 22px;
  }
  .prizes-section .prize-box {
    width: 85%;
  }
}/*# sourceMappingURL=style.css.map */

/* ===== Hero Header (背景はヘッダー全体、文字は濃く) ===== */
.hero-header {
  position: relative;
  width: 100%;
  overflow: hidden;

  /* 背景（フォールバック） */
  background: url("../img/top-1200.jpg") center / cover no-repeat;
  background-color: #d9d9d9; /* 画像読み込み前の地色 */

  /* レイアウト */
  padding: 90px 0 100px;
  text-align: center;

  box-sizing: border-box;

}

/* カルーセル：1枚の長い画像を左から右に流す */
.hero-bg-carousel {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.hero-bg-carousel-inner {
  position: absolute;
  inset: 0;
  background: url("../img/top.jpg") 0 50% / auto 100% no-repeat;
  animation: hero-bg-drift 36s linear infinite;
}

/* 左から右へ流れる（変更しない） */
@keyframes hero-bg-drift {
  0%   { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* 背景の薄膜：これだけが薄くなる（中身は薄くならない） */
.hero-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.78);
  z-index: 1;
}

/* 中身を前面に固定（ここが薄くならないポイント） */
.hero-header .main-container {
  position: relative;
  z-index: 2;

  max-width: 700px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

/* 文字をしっかり見せる（任意だけど効く） */
.hero-header .hero-title,
.hero-header .hero-prize-copy,
.hero-header p {
  color: #111;
  text-shadow: 0 1px 0 rgba(255,255,255,0.35);
}

/* h1を目立たせる */
.hero-header .hero-title {
  font-size: 34px;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: 0.02em;
  margin: 0 0 16px;
  white-space: pre-line;
}
.hero-header .hero-title .hero-subtitle-nowrap {
  white-space: nowrap;
}

/* ヘッダー内のハイライト＝グレー角丸の上に白抜き文字 */
.hero-header .highlight {
  display: inline-block;
  background: rgba(64, 62, 63, 0.85);
  color: #fff;
  padding: 0.2em 0.5em;
  border-radius: 8px;
  text-shadow: none;
}

.hero-header .hero-prize-copy {
  font-size: 34px;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: 0.02em;
  margin: 0;
}

.hero-header .header-logo {
  display: block;
  margin: 0 auto 10px;
}

/* SP調整 */
@media (max-width: 720px) {
  .hero-header {
    padding: 70px 0 80px;
    background-position: center top;
  }
  .hero-header .main-container {
    padding: 0 16px;
  }
  .hero-header .hero-title {
    font-size: 26px;
  }
  .hero-header .hero-prize-copy {
    font-size: 26px;
  }
}

/* 賞品セクションを全面に */
.prizes-section {
  background: linear-gradient(180deg, #e8e4d8 0%, #dcdcdc 100%);
}
.section-title-prize {
  background: #403E3F;
  padding: 18px 200px;
  font-size: 26px;
}
@media screen and (max-width: 768px) {
  .section-title-prize {
    padding: 16px 60px;
    font-size: 20px;
  }
}
.prizes-section .prize-box {
  width: 480px;
  min-height: 150px;
  padding: 24px;
}
.prizes-section .prize-box p {
  font-size: 19px;
}
.judge-criteria {
  font-size: 15px;
  margin-top: 12px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.notes-lead { margin: 10px 0 16px; }

.notes-item {
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 12px;
  background: #fff;
  margin: 10px 0;
  padding: 10px 14px;
}

.notes-summary {
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}

.notes-summary::-webkit-details-marker { display: none; }

.notes-list { margin: 10px 0 0; padding-left: 1.2em; }
.notes-list li { margin: 6px 0; }

.past-contest {
  margin: 26px auto 30px;
  padding: 18px 20px;
  max-width: 640px;
  background: #fff;
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 14px;
  text-align: center;
}

.past-contest-label {
  font-size: 0.9rem;
  font-weight: 700;
  color: #888;
  margin-bottom: 6px;
}

.past-contest-copy {
  font-size: 0.95rem;
  margin-bottom: 10px;
  line-height: 1.6;
}

.past-contest-link {
  font-weight: 700;
  text-decoration: none;
  border-bottom: 2px solid #111;
}