.p-article--narrow {
  max-width: 320px;
}

/* index.php =======================*/
.p-home {
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 7rem);
  padding: 1.75rem 0.75rem 2.75rem;
}

.p-home h1 {
  margin: 0;
  font-size: 3rem;
}

.p-home p {
  margin-bottom: 4.5rem;
  font-size: 1.25rem;
}

/* book_list.php =======================*/
/* 
.p-book-list {
  box-sizing: border-box;
  min-height: calc(100vh - 7rem);
  padding: 1.75rem 0 3.5rem;
}


.p-book-list__table {
  width: 100%;
  margin: 0 auto;
  border-collapse: collapse;
}

.p-book-list__table thead {
  border-bottom: 3px solid #ddd;
}


.p-book-list__table tbody {
  width: 100%;
  margin: 0 auto;
  word-break: break-all;
  border-collapse: collapse;
}


.p-book-list__table tr {
  border-bottom: 1px solid #ddd;
}

.p-book-list__table th {
  padding: 1rem 0.75rem;
  text-align: center;
}

.p-book-list__table td {
  padding: 1rem 0.75rem;
  text-align: center;
} */

/* 表の基本：横幅は親いっぱい */
.p-book-list__table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
}

.p-book-list__table th,
.p-book-list__table td {
  padding: 10px;
  border-bottom: 1px solid #eaeaea;
  text-align: center;
  white-space: nowrap;
  /* セル内の改行を防ぎ、横スクロールに逃がす */
}


/* book_create.php =======================*/
.p-book-create h1 {
  margin: 0 0 1.75rem;
  font-size: 1.75rem;
}

.p-book-create__back {
  margin-bottom: 1rem;
  text-align: left;
}

.p-book-create__form div {
  display: flex;
  flex-direction: column;
  max-width: 320px;
  margin: 0 auto;
  margin-bottom: 1.75rem;
}

.p-book-create__form label {
  margin-top: 0.75rem;
  text-align: left;
}

.p-book-create__form input,
.p-book-create__form select {
  box-sizing: border-box;
  height: 1.5rem;
  width: 100%;
}


@media (max-width: 600px) {
  .p-book-create__form {
    padding: 10px;
  }

  .p-book-create__back {
    width: 50%;
    margin-left: 10px;
  }
}